A semicolons NEVER should be used to try to create a "pause" longer than that achieved by a comma. If you can use a period correctly, then you can use a semicolon correctly. A semicolon is used just like a period, but it is used to separate two complete sentences when the sentences are closely related in meaning.
Probably cardiovascular fitness. Hope this helps ;)
Something that is improvised, especially a piece of music,drama, etc.,created without preparation/C
I would say C) "'Oh, my poor Mathilde! But mine was imitation. It was worth at the very most five hundred francs! …'" (Paragraph 14) is the best option.